Gumming-machine.



W. H. TRABUE.

GUMMING MACHINE.

APPLICATION FILED AuG.I5. 1914.

Paume@ (ICI. 31, '1916.

2 SHEETS-SHEETI W. H. TRABUE.

GUIVIMlNG MACHINE.

APPucATloN FILED AuG.15.1914.

Patented 001;. 31, 1916.

2 SHEETS-SHEET 2.

, intranet.

wiitmain' n. 'r11 u:

UE, OJE MONTVALE, NEW JERSEY.

Germaine-innemen,

Specication of Letters Patent.

' applieauon mela augu'st 15, 1911. seriali no. stesse.

To all whom t may concern:

lBe it known that ll, WILLIAM H.` TRABUE,

a citizen of the United States, and a resident v or paste to one side of labels, sheets, strips and the like, and the object of the invention is to provide a simplified machine of this character capable of ready and eflicient operation, and one particularly in which the gum or paste will be confined to one side of the label, sheet or strip and in which alsoA the label, sheet or strip will be properly directed from the machine.

My machine'comprises a trough for holding the paste, a paste' roller mounted in said trough, a pair of feed rollers, one being preferably in the form of disks, for feedingvthev labels, sheets or strips to the paste roller, a scraper for preventing the paste -roller from carrying an udue amount of paste upwardly 'from the trough., a feed table for directing the labels and the like to the feed rollers, and a special grid frame for taking the labels and the like from the paste roller and directing vthem from the machine, or-

to a point at which the labels may be con-` veniently grasped bythe hands of the attendant. p

r1`he invention.` will be fully understood from Ythe detailed description hereinafter presented, reference being had tothe accompanying drawings, in which:

Figure 1 is a top view of a machine constructed in accordance with and embodying the invention, an upper scraper being, for elearness of illustration, omitted therefrom; Fig. 2 is a sectional view through a broken awayportion of the machine taken on the dotted line 2-2 of Fig. 1; Fig. 3 is a detached perspective view of one of the strippers employed for removing the gummed labels and the like from the main lpaste or gumming roller; Fig. t isa vertical section through the same about-'on the line 1 4 of Fig. 3; Fig. 5 is a side elevation of a machine taken from the right hand side of Fig. 1; Fig. 6 is a substantially central vertlcal longitudinal section throughthe machine;

and Fig. .7 'is a detached perspective view of the upper scraper which, as hereinbefore recited, has been omitted from Fig. 1.

lln the drawings 10 designates the general frame of the machine comprising a borlike portion ortrough 11 and legs l2, the

inafter explained. r1`he roller 15 may be rotated by hand from a crank 17 or said roller may be 'rotated by power, as may be preferred.

Within the trough 11 adjacent tothe front side of the roller-,15, ll provide a scraper Patented tiret.. 31, 1313. Y

blade 18 for removing surplus paste from the roller, or in other words for preventing the roller from carrying upwardly a surplus quantity of the paste during the operation of the machine. l

Upon the front end of the trough 11 ll provide a cover-plate 19'which ,may serve as a feed table, and upon the rear end of' said trough 1 provide a` cover-plate 20, both cover plates being removable and preferably of sheet metal.

Above the cover plate 20 and extending from one side of the Ina-chine to the other is secured a Vrod 21, upon which are a series of independent strippers 22, these strippers being spaced apart on the rod 21 by 'means of sleeves 33 strung upon the rod 21 or other' purposes. The strippers 22 correspo'nd with one another and are formed from sheet metal and stand on edge. The front ends of the strippers 22 are cut off at an angle and at the extreme front ends of the strippers said ends are substantially pointed and enter into close relation with the paste roller 15, being within the annular grooves 16, as shown in Fig. 1, when said. grooves are employed. 'llhe grooves 16 are not essential tothe successful operation of the machine. The strippers 22, when in operative position, extend upwardly and rearwardly from the paste roller 15 and serve to conduct the labels and the like passing over the roller 15 upwardly and rearwardly to a suitable grid 23 to bel hereinafter described. The upper edgesof the strlppers 22 are made narrow, as shown, so that they will present the minimum surface to thelabels or thelike passing through themachine. The strippers 22 are numerous and reasonably close together, and their purpose is to strip the gummedv labels from the paste .roller 15 and allow7 the same to move upwardly in position to pass upon the grid 23 or be removed by an attendant by hand.

Adjacent to the inner edge ofthe cover or feed table 19 I provide feed rollers 24, 25 between which the labels and the like-are fed and which cause the travel of the labels to the upper side of the paste roller 15. The roller 24 is a plain straight smooth roller,

and the roller 25 I prefer to make inthe form of a series of corresponding disks 26, whose peripheral edges will engage the roller 24 and coperate therewith in forcing the labels through the machine. rlhe rollers 24, v

25 stand clear of the paste roller 15, and hence said rollers do notI become gummed along their surfaces and do not, as a consequence, apply any gum to the labels. It is one of the features of my invention that the rollers 24, 25 do stand clear of the paste roller 15 and that' the paste roller 15 is not in engagement with any roller or other part of the machine except the scraper 18 and the tip ends of the strippers 22. A great deal of inconvenience and difficulty have been occasioned by the use of machines in which the labels are pressed upon the paste roller by means of disks or a roller, and it has been one'of the purposes of my invention to obviate that difhculty and provide a machine in which the paste roller is clear of the feed rollers and in which the gummed surface of the label remains out of contact with, the machine except in respect of its travel upwardly on the narrow upper edges of the strippers 22. rlhe rollers 24, 25 are connected by gear wheels 27, 28, as shown in Fig. 5, and are driven vfrom the main shaft 14 by the engagement of a gear wheel 29 thereon with the gear wheel 28 onthe reduced or shaft-like end of the roller 25. The rollers 24, 25 and paste roller 15 have simultaneous motion imparted to them, and reverse movement of the paste roller is pre-` vented by a pivoted dog 30 secured on the side of the machine and engagingthe gear wheel 29, as shown in Fig. 5. The dog 30 permits the gear wheel 29 and paste roller 15 to have their proper feed motions, but will prevent said roller from having any reverse movement imparted to it.

The roller 24 is reduced at its ends to form shaft sections 31, and these shaft sections'31 are held in downwardly and rearwardly inclined slots 32 formed in the sides of the frame of the machine. Below the slots 32 the sides of the frame of the malwith and partly below the roller 25. The

shaft like ends of the roller 25 are seated in open'topbearings 36 provided in thevsides of lthe machine, as shown more clearly in Fig. 2, and said ends of the roller 25 are held down within the bearings 36 by means of springs 37 which are held upon the sides of the machine by means of adjustable.

screws 38 andat their front ends are curved to correspond with the surface of the shaft ends of the roller 25. The bearings for the ends of the roller 25 comprise the bearings 36 formedin the sides of the machine, and the curved ends 39 of the springs 37. Intermediate the ends of the springs 37 the sides of the machine are recessed, as at 40, and the screws 38 pass downwardly through the springs 37 above the recesses 40 and engage threaded sockets in the sides of the machine. The pressure of the springs 37 on the ends of the roller 25 may be regulated orcontrolled by the adjustment of the screws 38 with relation to said springs 37 It will be obvious from 'an inspection of Fig. 2 that if the screws 38 are adjusted downwardly the pressure of the springs 37 on the ends of the roller 25 will be increased, and likewise if the screws 38 are adjusted upwardly the pressure of the springs 37 on the ends of the roller 25 will be lessened. The screws 38 are formed with substantial heads 41 by means of which said screws may be conveniently turned in adjusting the relation of the springs 37 to the ends of the roller 25. The springs-34, 37 act in opposition to each other and afford an adjustable spring pressure of therollers 24, 25 against each other and against the labels and the like which may be fed between them to the paste roller 15. I regard the springs 34, 37 as of considerable importance in the proper feedin of the labels, and the adjustment aforde by the screws 38 adapts the machine for receiving labels of varying thickness between the feed rollers 24, 25.

Above the roller 25 I provide a scraper bar or stripper comprising a plain straight bar 42 having rearwardly bent ends 43 cut out at the lower sides of their rear extremities to form hooks, as at 44. The cut away or recessed portions 44 of the arms 43 are adapted to fit upon the end sleeves 33 on the rod 21. The scraper bar or stripper 42 rests of its own weight upon the disks 26 of the roller 25 and the recesses or hook portions lio 44 of the arms 43 by their engagement with the end sleeves 33 serve to retain said scraper bar in position. 'llhe scraper bar 42 is removable since it is not usually required eX- cept when thin soft paper'is being fed between the rollers- 24, 25- and it comes into use then should a strip of the soft paper hug the disks 26 andbe carried upwardly on them instead of traveling rearwardly over the paste roller 15 and up the strippers 22. ll have found that there is some danger when thin soft paper strips are fed to the machine, 'of said strips occasionally hugging the disks 26 and traveling upwardly thereon and to guard against the eects of this l provide the scraper bar 42, said bar extending transversely across the disks 26 in position to arrest any strip of paper or the like which might be carried upwardly by said disks. lin any ordinary use of the machine for gumming labels, the scraper 'bar 42 will not be required but even then it might be used to remove any gum from the disks 26 which might by accident get thereon.

At the rear or delivery end 0f the machine ll provide' the grid 23 hereinbefore referred to. rllhis grid consists Aof a series of parallel rods of wire vsecured together by a transverse bar and by a wire or thev like 46. 'lhe two end wires 47 of the grid extend forwardly of the transverse bar 45 and form ngers 48 which, as shown in Fig. 6, are deflected downwardly and adapted whenv the grid is in position to bear against the lower surfaces of the end sleeves 33. rllhe ends of the transverse bar 45 extend outwardly beyond the end rods 47 and are adapted to be seated within recesses 49 formed in the side portions of the machine frame, as shown.4

llhe grid 23 isv detachable, and in applying the same to the machine 1 incline the grid and insert the hngers l48 thereof below the end sleeves 33 and then allow the transverse bar 45 to settle downwardly within the recesses 49, said grid being thus supported at said fingers `and transverse bar and requiring no other support. ln removing the grid 23 from the machine the rear end thereof may be tilted upwardly to lift the transverse bar.

45 from the recesses 49 and allow the fingers 48 to recede from below the end sleeves 33 of the rod 21.

'lhe vertical plane of the lon tudinal center of the roller 25 is rearward y of the like plane of the roller 24, and said roller 24 is partly below the roller 25, as shown, and ll have found that this particular relationship of said rollers is very advantageous in the feeding of the labels and causing the labels to ride upon and over the paste roller without having their forwardly traveling edges bent downwardly. rlFhe arrangement of the rollers 24, 25 just described also permits the roller 24 to stand suciently clearl of the paste roller to make it certain that no paste will get upon said roller 24. As clearly shown in the drawings the roller 24 ispconsiderably less in diameter than the roller 25, the outer edges vof the disks 26 representing the diameter of said rollerA 25. IThe relative diameters of the rollers and their relation to each other and to the paste roller 15 are important in securing the proper feeding of the labels to the paste roller and in assuring the gumming of the labels over their entire lower surface. @ne difficulty overcome by .me in the production of the present invention was in preventing the feeding of the labels in a way which resulted in the forward edge of the' labels not receiving gum from the paste roller. When the labels did not receive the gum over their entire lower surface, they did not become properly vapplied to the articles receivin them, since one edge of the label was le t unattached, whereas it is required that the entire lower surface of a label should closely adhere to an 4article receiving it. The construction and arrangement of the feed rollers and paste roller presented by me permits of the construction of a compact machine withthe feed rollersin very near relation to but without touching the paste roller.

The method of using the machine hereinbefore described will be understood without special description. rlilhe labels, sheets or the like, fed over the table 19 and between the rollers 24, 25 are gripped by said rollers and fed inwardly upon the paste roller 15, which, b v its tacky engagement with the lower sides of the labels or the like will operate to draw the same through the machine and at the same time apply paste or gum thereto. 'lhe labels one after another will be fed between the rollers 24, 25 and be by said rollers s moved to and upon the paste roller 15, and the labels as gunimed upon their lower surfaces will pass ,upwardly upon the strippers 22 and hnally upon the grid 23, from which they may be convenientlyv removed.

What l's-fclaim as my invention and desire to secure by. 'Letters Patent, is: 1. A machine of the character described comprising a receptacle for liquid paste or gum, a paste roller therein, a pair of feed rollers at one Side of the central vertical plane of said paste roller and in near relation to the upper side portion thereof and free of contact engagement therewith` and one of said feed rollers being of less diameter than and substantiallyv entirely below the other feed roller and set outwardly from the central vertical plane thereof, means for rotating all of said rollers, strippers for removing the gummed labels from said paste roller, yielding bearings for the lower feed roller, and means for regulating the relation of the upper feed roller to the lower feed roller.

2. A lmachine of the character described sov comprising a receptacle for liquid paste or gum, a paste roller therein, a pair of feed rollers at one side of the central vertical plane of said paste roller and in near relaother feed roller and set outwardly from the central Vertical plane thereof, means for rotating all of said rollers, strippers for removing the gummed labels from said paste roller, spring bearings in the sides of the machine for the ends of the lower feed roller, and leaf springs engaging-the upper sides of the ends of the upper feed roller for pressing said roller toward the lower feed roller.

3., A machine of the character described comprising a receptacle for liquid paste or gum, a paste roller therein, a pair of feed rollers at one side of the central vertical plane of said paste roller and in near relation to the upper side portion thereof and free of contact engagement therewith, and one of said feed rollers being of less diameter than and substantially entirely below the other feed roller and set outwardly from the central vertical plane thereof, means for rotating all of said rollers, strippers for removing the gummed labels from said paste roller, spring bearings in the sides of the machine for the ends of the lower feed roller, springs on the upper edges of the sides of the machine at one end engaging the ends of said upper feed roller, and screws for adjusting the pressure of said springs against the ends of said roller, saidtsprings being fastened at one end to said sides and said sidesbeing recessed below the adjusting screws for admitting of said adjustment.

4. A. machine of 'the character described comprising .a receptacle lfor liquid paste or gum, a paste roller therein, a' pair of feed rollers at one side of the central vertical plane of said paste roller and in near relation to the upper side portion thereof and free of contact engagement therewith, and

one'of said feed rollers being of less diameter. thanvand substantially entirely below the other feed roller and set outwardly from the central vertical plan'e thereof, means' for rotating all of said rollers, strippers for removing the gummed labels from said paste roller, spring bearings in the sides of the machine for the ends of the lower feed roller and springs engaging the upper sides of the ends 4of the upper feed roller for pressing said rollertoward the lower feed roller, the spring bearings in the sides of the machine for the ends of the lower feed roller comprising slots in said sides for said ends of said roller, sockets for coiled springs and pins on said springs and extending upwardly into engagement with the ends of said roller within said slots.

5. A machine of the character described comprising a receptacle for liquid paste or gum, a paste roller therein, a pair of feed Arollers at one side of the central vertical plane of said paste roller andin near relation to the upper side portion thereof and free of contact engagement therewith, and one of said feed rollers being of less diameter than and substantially entirely below the other'feed roller and set outwardly from the central vertical plane thereof, means for rotating all of` said rollers, a rod extending between'the sides'of the machine at the rear of said paste roller, and a series of independent strippers mounted on said rod and engaging said paste roller at their forward ends, said strippers being metal plates arranged on edge and independently free to have swinging movement on said rod.

6. .In a machine of the character described having a receptacle for liquid paste or gum, a paste roller therein, feed rollers for feeding labels or the like to the upper side of the paste-roller, a rod extending between the sides of the machine at the rear of said paste roller, a series of strippers mounted on said rod and at their -forward end engaging said paste roller, and a .removable grid to receive the labels from said strippers, said grid comprising longitudinal rods connected by a transverse bar and having forwardly and downwardly deflected lingers to be entered below said rod, and the sides of the machine having recesses to receive the ends of said transverse bar.

Signed at New York, in the 'county of New York, and State `of New York, this 13th day of August, A. D. 1914.

Y i WILLAM H. TRABUE.

Witnesses:

ARTHUR MARION, CEAS. C. GILL. 

